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Kill/butchering sites are some of the most important places for understanding the subsistence strategies of hunter-gatherer groups. However, these sites are not common in the archaeological record, and they have not been sufficiently analysed in order to know all their possible variability for ancient periods of the human evolution. In the present study, we have carried out the spatial analysis of the Early Middle Palaeolithic (MIS 9–8) site of Cuesta de la Bajada site (Teruel, Spain), which has been previously identified as a kill/butchering site through the taphonomic analysis of the faunal remains. Our results show that the spatial properties of the faunal and lithic tools distribution in levels CB2 and CB3 are well-preserved although the site is an open-air location. Both levels show a similar segregated (i.e. regular) spatial point pattern (SPP) which is different from the SPP identified at other sites with similar nature from the ethnographic and the archaeological records. However, although the archaeological materials have a regular distribution pattern, the lithic and faunal remains are positively associated, which is indicating that most parts of both types of materials were accumulated during the same occupation episodes, which were probably sporadic and focused on getting only few animal carcasses at a time. [ABSTRACT FROM AUTHOR]

Here, we present a thorough taphonomic analysis of the 1.84 million-year-old site of Phillip Tobias Korongo (PTK), Bed I, Olduvai Gorge. PTK is one of the new archaeological sites documented on the FLK Zinj paleolandscape, in which FLK 22 level was deposited and covered by Tuff IC. Therefore, PTK is pene-contemporary with these sites: FLK Zinj, DS, AMK and AGS. The occurrence of these sites within a thin clay unit of ∼20 cm, occupying not only the same vertically discrete stratigraphic unit, but also the same paleosurface, with an exceptional preservation of the archaeological record in its primary depositional locus , constitutes a unique opportunity to explore early hominin behavioral diversity at the most limited geochronological scale possible. The Olduvai Bed I sites have been the core of behavioral modelling for the past half a century, and the newly discovered sites, excavated with 21st century technology, will increase significantly our understanding of early human adaptive patterns. Here, we present PTK as another assemblage where faunal resources were acquired by hominins prior to any carnivore, and where stone-tool assisted bulk defleshing was carried out. The abundance of juvenile individuals extends our understanding, as in Kanjera (Kenya), about the hunting skills of early Homo sensu lato. The increasing number of sites, where bulk defleshing of small and medium-sized carcasses took place is underscoring the importance of meat in the diets of some of the early hominins, and their patterned use of the space for food processing and consumption. The patterning emerging has a profound importance for the evolution of some of the features that have traditionally been used to identify the behavior of the genus Homo. • The new site of PTK, Bed I, Olduvai Gorge, Tanzania (c. 1.84 Ma) shows well-preserved evidence of hominin meat eating. • Machine learning methods are applied to discern the agent of bone breakage. • Butchery marks and machine learning provide information about past carnivore and hominin behavior. • The abundance of young individuals suggests that the hominins employed a selective hunting strategy. [ABSTRACT FROM AUTHOR]

To understand the identity of the early Acheulean, it is necessary to discriminate between the variables that influenced the selection of technological strategies. Functionality of the archaeological sites is crucial in assessing the manufacturing strategies of lithic tools. To achieve this goal, analysis of the post-depositional processes must be evaluated. When bone remains have been preserved, anthropic animal processing can be identified through zooarchaeological and taphonomic analyses, and the spatial relationships among all the components can also be assessed, especially when bone surface is not sufficiently preserved. There are two levels present at Thiongo Korongo, ~1.3 Ma, TKLF and TKSF. These are in autochthonous position with no significant temporal diachrony but with substantial technological differences in the manufacturing of the lithic tools, which enables the analysis of the influence of human activities on technological behaviour. In order to evaluate this issue at TKSF, we present lithic, faunal, taphonomic, fabric, and spatial analyses. An assemblage of megaherbivores, among which Sivatherium is outstanding, dominate the TKSF faunal remains. Cortical preservation is poor; there is no intervention of carnivores, the rate of green fractures is low, and a few cut marks on size 5 and 3b animals were identified. Hence, apparently human intervention on the fauna was not intensive. Spatial and geostatistical analyses hints of a specific area where megaherbivores were processed by humans. Through wear use and biomarker analyses on stone tools, we are currently trying to understand the activities that were carried out in the remaining paleosurface. At paleosurface TKLF, the main anthropogenic input could be related to activities other than animal resource exploitation, in which large handaxes were necessary. Without the assessment of site functionality and chronological context, this data could have lead to the differences observed at TKLF and TKSF being attributed to different Acheulean stages. [ABSTRACT FROM AUTHOR]